Drain King H34 Unclogs Sewer Lines, Main, and Outside Deck Drains, 3 To 4 Inch Product Description Gt Water Products H34 Drain Un-Clog 3-4" From the Manufacturer This drain king is great for cleaning main and outside sewer, basement and outside deck drains. Fits drain size of 3 to 4-Inch. Features Made in U.S.A with high quality material Drain King is the original water-powered drain cleaner to ever enter the market Water expands Drain King from 3 to 4 inches to seal pipe and water pulsating jets clear the clogged drain quickly up to 1000 feet Clears slow and clogged drains in your main drain and sewer lines with water power Important Tips: store in cool dark place, do not use with hot water. Minimum pressure to inflate is 40 psi up to a maximum of 80 psi Great for cleaning main and outside sewer drains Great for cleaning basement drains Cleans outside deck drains Fits drain size of 3 to 4-Inch Made in the U.S.A. USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.